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Table 1 <br /> Geoprobe Soil Sampling Analytical Data <br /> Parkinson's Arco <br /> 3250 West Hammer Lane <br /> Stockton,California <br /> Depth of TPH as Ethyl- <br /> Sample Date Sample Gasoline Benzene Toluene benzene Xylenes MtBE <br /> Identification Sampled (feet) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) <br /> GP-1 08/16/00 16 <1.0 <0.005 <0.005 <0.005 <0.005 0.228/<0.1 <br /> GP-1 08/16/00 24 83,700 <0.05 0.143 0.14 0.221 <0.5/<0.1 <br /> GP-1 08/16/00 28 1,110 <0.005 <0.005 <0.005 <0.005 <0:05 <br /> GP-2 08/16/00 16 <1.0 0.0256 <0.005 <0.005 <0.005 1.54/1.62 <br /> GP-2 08/16/00 20 3,400 0.14 <0.005 0.179 0.376 2.51/2.60 <br /> GP-2 08/16/00 28 <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 <br /> GP-3 08/15/00 16 <1.0 <0.005 <0.005 <0.005 <0.005 2.29/2.41 <br /> GP-3 08/15/00 24 <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 <br /> GP-4 08/15/00 16 <1.0 <0.005 <0.005 <0.005 <0.005 0.976/0.628 <br /> GP-4 08/15/00 28 <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 <br /> GP-5 08/16/00 16 <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 <br /> GP-5 08/16/00 30 <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 <br /> mg/kg milligrams per kilogram <br /> 2.29/2.41 MtBE samples analyzed using EPA Method 8020/EPA Method 8260 <br /> MtBE Methyl tert-butyl ether <br /> TPH Total petroleum hydrocarbons <br />